Home / 6,380.39-9,572.40-2,485.91

Finding the Fourth Proportional to 6,380.39, 9,572.40 and 2,485.91

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Solution

The fourth proportional to 6,380.39, 9,572.40 and 2,485.91 is: 3,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.39 : 9,572.40 = 2,485.91 : x
  2. Step 2: Convert to fraction form
    6,380.39/9,572.40 = 2,485.91/x
  3. Step 3: Cross multiply
    6,380.39x = 9,572.40 × 2,485.91
  4. Step 4: Simplify right side
    6,380.39x = 23,796,124.88
  5. Step 5: Solve for x
    x = 23,796,124.88/6,380.39
  6. Step 6: Final answer
    x = 3,729.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.